Question about 1999 Pontiac Montana
I need to know if I need to pull the transmission on the van...I cannot find the tcc solenoid just by pulling the pan and the valve body cover.
hi..the transaxle converter clutch . tcc. uses a solenoid -operated valve located in the automatic transaxle to mechanically couple the engine flywheel to the output shaft of the transmission through the torque converter.that reduces the slippage loss in the converter.reducing emissions.but check the vss first.which is called the vehicle speed sensor.they both work together .if the vss is not working right it wont call on the tcc.
check this out..
Posted on Mar 06, 2009
There are a few ways to doing this, and it takes time and a few band aids. You can remove the alternator to give you some room to access the rear spark plug with an extension and swivel spark plug socket. You can also get to the plugs from under neath if you have a ramp and long arm, an extension and swivel spark plug socket will help. You may have to use a 2x4 to wedge the engine to give you some room if you have larger arms. The other way is to tilt the engine forward by disconnecting the two top engine mounts. First replace the 3 front plugs and wire one at a time so you don't cross them. After you have changed the front plugs have a friend help you. Make sure the parking brakes are on and disconnect the two top engine mounts, release the parking brakes and let the transmission in park. Push the van forward slowly to tilt the engine forward far enough to give you room with out pushing it to far in to the radiator. Put the parking brakes on again to keep the van from rolling back and place a block of wood behind and in front of the rear wheels. Don't want to lose an arm. Replace the rear plugs with extensions and a swivel spark plug socket. Note, your going to have to replace the spark plug wire since the rear ones are really hard to remove and pulling on then will destroy them, not worth the headache trying to save them. Use platinum plugs so you can get 100.000 miles before you have to change them again so use anti-seize on the plugs so you can remove them again. Good luck and hope this helps, I personally go from under the van.
Posted on Jul 06, 2009
there is not drain, so you just drop the pan and try not to get soaked in fluid, i use a plastic garbage can lid with holes drilled in it to catch the fluid, this is the best way, and yes the solenoid is mounted to the bottom of the valve body inside the transmission, only way to access the part is by removing the trans pan.
Posted on Oct 18, 2009
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It is located in the transmission under the valve body cover on the drivers side of the transmission. It is the solenoid on the bottom left hand side of the valve body. I had to take the suspension and frame support off and lower the transmission before I could remove to valve body cover. A retainer clip holds the TCC solenoid in place.
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